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Walker Quiet-Flow Direct Fit Exhaust Muffler for 1968-1976 Cadillac Calais, DeVille, Fleetwood [Aluminized]
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-21856

Walker Quiet-Flow Direct Fit Exhaust Muffler for 1968-1976 Cadillac Calais, DeVille, Fleetwood [Aluminized]

$10099
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

Quiet-Flow Direct Fit Exhaust Muffler
  • Fits 1968-1978 Cadillac Calais, DeVille, Fleetwood, Eldorado
  • Inlet 2.5 in.
  • Outlet 2.5 in.
  • 23 in. Length
  • Steel
  • Aluminized Finish
  • Sold Individually

    The Walker 21856 is a quiet-flow direct fit exhaust muffler for universal applications, built from steel with an aluminized finish. It is engineered as a direct-fit replacement to restore proper exhaust system performance.

    Walker 21856 Features:

    • Material: Steel
    • Finish: Aluminized
    • Inlet Diameter: 2.5 in.
    • Outlet Diameter: 2.5 in.
    • Length: 23 in.
    • Inlet Type: Pipe Connection
    • Outlet Type: Pipe Connection
    • Grade Type: Premium

    Vehicle Fitment:

    • Cadillac Calais (1968-1976)
    • Cadillac DeVille (1968-1976)
    • Cadillac Fleetwood (1968-1976)
    • Cadillac Eldorado (1975-1978)

      • Quiet-Flow Replacement Mufflers run quieter and lasts longer than OE mufflers. Made from aluminized steel that delivers exceptional durability. Internal partition baffles and spun-locked heads help improve structural support and features OE-style rods and brackets for precise fit.

    Part TypeMuffler
    Product LineWalker Quiet-Flow Mufflers
    BrandDYNOMAX
    Package Height5.2
    Package Width9.75 in (247.65 mm)
    Package Length24.8
    Weight9.95 PG
    Part CategoryPerformance Parts
    Outlet Diameter2.5 in.
    Inlet Diameter2.5 in.
    QuantitySold Individually
    Overall Length23 in.
    MaterialSteel
    Part FitmentUniversal
    FinishAluminized
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning